2.2.4.13.4 VideoPool_Allocate

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The VideoPool_Allocate message allocates an underlying surface to store content.


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_size

_msgid

_idObjectSubject

sizePxl

...

nOptions

_size (4 bytes): An unsigned 32-bit integer. The total message size, in bytes.

_msgid (4 bytes): A signed 32-bit integer. The message ID that is unique to the specific target. The _msgid value is 0x00000003 for this message.

_idObjectSubject (4 bytes): An unsigned 32-bit integer. The ID of the target object.

sizePxl (8 bytes): A Size (section 2.2.6.6). The size of the surface, in pixels.

nOptions (4 bytes): An unsigned 32-bit integer. The pixel format of the surface.

Value

Description

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Any - Any position amongst its siblings.

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Before - Before the specified sibling.

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Behind - Behind the specified sibling.

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Top - The top of the parent's children list.

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Bottom - The bottom of the parent's children list.